Seiko Cal. 7156 - 639

The 7156-639 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-0bfae045bda8]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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